Plexiglas model of electromagnetic wave.

Plexiglass model of electromagnetic wave. This model shows electric and magnetic field strengths in an electromagnetic wave. 'E' and 'B' are at right angles to each other. The entire pattern moves in a direction perpendicular to both E and B.
UCB Index: 
D+5+32
PIRA Index: 
5N10.80
Demo Diagram: 

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